- Bluetooth to Aux Adapter: Upgrade your audio experience with this Bluetooth 5.1 receiver designed for cars, speakers, amplifiers, headphones, and more. Perfect for older vehicles, like many Toyota models, that lack built-in Bluetooth, this adapter lets you enjoy music and make hands-free calls effortlessly. - Easy Setup: Simply plug the 3.5mm audio Bluetooth dongle into your device's aux jack. Connect the USB port to any power source—such as a power bank, vehicle USB slot, or laptop USB hub. The adapter's green light will flash quickly during pairing; search for the Bluetooth name 'YP04' and connect. Once connected, the green light will flash slowly, allowing you to stream music directly through your car's speakers or headphones. - Hi-Fi Stereo Sound Quality: Equipped with a built-in Bluetooth 5.1 chipset, this adapter ensures clear audio for both music and phone calls. The integrated microphone allows for hands-free calling, providing a safer and more convenient experience for listening to music, making calls, or using GPS navigation while driving. - 1-to-2 Dual Connection: Connect two phones simultaneously with the 1-to-2 feature, making it easy to share music and switch devices. The automatic reconnection function ensures your phone reconnects seamlessly each time you enter your vehicle. - Versatile Use Cases: Ideal for road trips where you want to share playlists with friends, or for busy professionals needing to switch between work and personal calls while on the go. This Bluetooth car aux receiver enhances your driving experience by providing high-quality audio and convenience. This Bluetooth to Aux adapter combines functionality, compatibility, and performance in a compact design, making it a must-have accessory for anyone looking to upgrade their audio setup.